Land vehicles – Wheeled – Articulated vehicle
Patent
1975-10-16
1977-04-12
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Articulated vehicle
280 81B, 280442, B60P 340
Patent
active
040170942
ABSTRACT:
The total apparatus for transporting long loads includes a tractor, a first steering converter trailer truck, and a second load-bearing trailer truck. Forward and aft bolsters are mounted on the tractor and the second truck for rotation about vertical axes to support the load and be tied to it. The first truck has a steering converter coupler with a terminal at its forward end engaged with a pivotal connector on the tractor located well aft of the bolster pivot. The second truck has a follower coupler with its forward end pivotally connected to the first truck, which does not contact the load and is free to move to either side. Lateral movement of the pivotal connector when the tractor turns directs the first truck to the outside of the curve away from the centerline of the load and the second truck follows it. The outboard position of the first truck counteracts any tipping tendency on a fast turn. Both trucks tend to follow closely in the path of the tractor, which avoids "corner cutting" and enables the tractor to negotiate turns of much smaller radius than would otherwise be possible.
REFERENCES:
patent: 2520776 (1950-08-01), Page
patent: 3087744 (1963-04-01), Tanenbaum
patent: 3102735 (1963-09-01), Bigge
patent: 3430987 (1969-03-01), Whitmire et al.
patent: 3591200 (1971-07-01), Van Raden
Pekar John A.
Peters Jr. Joseph F.
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